Stack-based Buffer Overflow in Tenda JD12L WiFi Router
CVE-2026-13516
8.7HIGH
Key Information:
Badges
👾 Exploit Exists🟡 Public PoC
What is CVE-2026-13516?
A stack-based buffer overflow vulnerability has been identified in the Tenda JD12L router, specifically within the fromSetWifiGusetBasic function located in the /goform/WifiGuestSet file. An attacker can remotely execute this exploit by manipulating the 'shareSpeed' argument. The exploit is now public, raising significant security concerns for affected users.
Affected Version(s)
JD12L 16.03.53.23
Exploit Proof of Concept (PoC)
PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.
References
CVSS V4
Score:
8.7
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None
Timeline
- 🟡
Public PoC available
- 👾
Exploit known to exist
Vulnerability published
Vulnerability Reserved
Credit
Vampirensa (VulDB User)